Unfortunately Frontier Airlines does not currently support the use of WhatsApp for communication during flights. Passengers are advised to adhere to the airline's policies regarding electronic devices and in-flight connectivity. While Frontier Airlines WhatsApp is a popular messaging platform worldwide, its usage may be restricted or unavailable on certain airlines due to technical limitations or specific regulations. Travelers should check with Frontier Airlines directly or consult their website for the most up-to-date information on permitted electronic devices and communication services at 1-844-296-4458 while flying.